6064515665 has 16 divisors (see below), whose sum is σ = 8249707200. Its totient is φ = 4242704832.

The previous prime is 6064515649. The next prime is 6064515671. The reversal of 6064515665 is 5665154606.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 6064515665 - 2⁴ = 6064515649 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2454035 + ... + 2456504.

It is an arithmetic number, because the mean of its divisors is an integer number (515606700).

Almost surely, 2^6064515665 is an apocalyptic number.

6064515665 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

6064515665 is a deficient number, since it is larger than the sum of its proper divisors (2185191535).

6064515665 is a wasteful number, since it uses less digits than its factorization.

6064515665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4910576.

The product of its (nonzero) digits is 648000, while the sum is 44.

The square root of 6064515665 is about 77875.0002568218. Note that the first 3 decimals coincide. The cubic root of 6064515665 is about 1823.6103178105.

The spelling of 6064515665 in words is "six billion, sixty-four million, five hundred fifteen thousand, six hundred sixty-five".